'The Price of Sand' is a documentary film about the frac sand mining boom in Wisconsin, Iowa and Minnesota. A year ago, an oil company bought land next to my mother's house in rural Minnesot... Read all'The Price of Sand' is a documentary film about the frac sand mining boom in Wisconsin, Iowa and Minnesota. A year ago, an oil company bought land next to my mother's house in rural Minnesota. The deal was kept secret for months, because the new owners wanted to build a huge open... Read all'The Price of Sand' is a documentary film about the frac sand mining boom in Wisconsin, Iowa and Minnesota. A year ago, an oil company bought land next to my mother's house in rural Minnesota. The deal was kept secret for months, because the new owners wanted to build a huge open pit frac sand mine. When their plans became public, I started to investigate. Over the co... Read all